Leg soreness is not necessarily caused by calcium deficiency, but may also be due to other causes, as follows: First, osteoporosis, hypocalcemia: it can lead to leg muscle spasm and tension, and even cramp symptoms, and leg muscles will show soreness after cramping. Second, leg muscle strain, cold: can lead to impaired blood circulation in the leg muscles, and the patient will have leg pain symptoms, accompanied by muscle weakness and difficulty walking. Third, lumbar disc herniation: In the initial stage, it can cause soreness and pain in one leg or both legs, accompanied by lumbar pain and limited lumbar movement. Therefore, the symptoms of soreness and pain in the legs may not necessarily be caused by calcium deficiency, but may also be due to other causes, which should be promptly differentially diagnosed and treated early in order to get complete relief of clinical symptoms.